EP2274550B1 - Raccord de connecteur pour conduits de fluide avec un ressort en fil metallique - Google Patents
Raccord de connecteur pour conduits de fluide avec un ressort en fil metallique Download PDFInfo
- Publication number
- EP2274550B1 EP2274550B1 EP09731368A EP09731368A EP2274550B1 EP 2274550 B1 EP2274550 B1 EP 2274550B1 EP 09731368 A EP09731368 A EP 09731368A EP 09731368 A EP09731368 A EP 09731368A EP 2274550 B1 EP2274550 B1 EP 2274550B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- sleeve
- connector
- locking member
- socket
- base
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000012530 fluid Substances 0.000 title claims abstract description 14
- 239000002184 metal Substances 0.000 title claims abstract description 4
- 230000008878 coupling Effects 0.000 title abstract description 8
- 238000010168 coupling process Methods 0.000 title abstract description 8
- 238000005859 coupling reaction Methods 0.000 title abstract description 8
- 230000037431 insertion Effects 0.000 claims description 7
- 238000003780 insertion Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims 1
- 238000006073 displacement reaction Methods 0.000 description 10
- 238000010276 construction Methods 0.000 description 3
- 230000005489 elastic deformation Effects 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 2
- 208000031968 Cadaver Diseases 0.000 description 1
- 241001080024 Telles Species 0.000 description 1
- 241000722921 Tulipa gesneriana Species 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000037361 pathway Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M55/00—Fuel-injection apparatus characterised by their fuel conduits or their venting means; Arrangements of conduits between fuel tank and pump F02M37/00
- F02M55/004—Joints; Sealings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L37/00—Couplings of the quick-acting type
- F16L37/08—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members
- F16L37/084—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking
- F16L37/088—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking by means of a split elastic ring
- F16L37/0885—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking by means of a split elastic ring with access to the split elastic ring from a radial or tangential opening in the coupling
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
- F02M2200/80—Fuel injection apparatus manufacture, repair or assembly
- F02M2200/8023—Fuel injection apparatus manufacture, repair or assembly the assembly involving use of quick-acting mechanisms, e.g. clips
Definitions
- the invention relates to a connector connector for fluid conduits, in particular ducts used in automobiles in fuel injectors.
- the invention applies more particularly to a connector connector for fluid conduits, comprising a female tubular base in which is intended to be inserted in a certain axial direction a male tubular end to make a tight connection, a locking member with elastic deformation to block the tip in the base when the tip is sufficiently pressed into the base in the axial direction, and a locking sleeve which is mounted movably in the axial direction around the locking member of such to occupy a first axial position in which it leaves the free locking member to deform radially outwardly of the base and a second axial position in which it prevents radial deformation of the locking member.
- the invention aims to provide another arrangement for such a coupling which further has a compact and robust construction.
- the invention relates to a connector connector for fluid conduits, comprising a female tubular base in which is intended to be inserted in a certain axial direction a male tubular end to make a tight connection, a body of resiliently deformable lock for locking the nozzle in the base when the nozzle is sufficiently depressed in the base in the axial direction, and a locking sleeve which is mounted movably in the axial direction around the locking member of such as to occupy a first axial position in which it leaves the free locking member to deform radially outwardly of the base and a second axial position in which it prevents radial deformation of the locking member, characterized in that the locking member is a rigid C-shaped wire having two free ends bent towards each other able to pass through the base when it is de rmé radially, in that the sleeve has at least one radial internal recess in which each corresponding free end of the blocking member disappears when the latter is deformed radially and that the sle
- connection according to the invention allows a quick sealing connection of the male end in the female socket.
- the locking of the male end in the female socket can be achieved only after a complete insertion of the male end into the female socket, which provides security to the sealed connection.
- the locking member prevents axial displacement of the locking sleeve on the base.
- the invention extends to a connector for fluid conduits, comprising a tubular nozzle and a coupling according to the invention.
- a connector 1 for fluid conduits comprising a connector 2 and a male tubular nozzle 3.
- the connector 2 comprises a female tubular base 4 in which is intended to insert the male tubular nozzle 3 in an axial direction indicated by the arrow A, a locking member 5 with elastic deformation inserted into the base female 4 and a locking sleeve 6 in the form of a tubular body mounted around the female base 4 and the locking member 5 being movable in the axial direction A.
- the male end 3 is presented partially inserted into the female base 4.
- the female base 4 is equipped Here, in its upper part axially opposed to its opening for the insertion of the spigot, two fluid way lines 4A, 4B intended to be connected to the spigot 3. It is obvious that the female base 4 could be provided with one or more fluid pathways.
- the female base 4 may also be advantageously equipped on its outer wall with a groove or guide rib cooperating with a rib or a corresponding groove (not shown) provided on the inner wall of the locking sleeve to facilitate the axial guidance of the sleeve 6 on the base 4.
- the male end 3 is in the form of a substantially cylindrical tube having over its length variations of external diameters. More particularly, it comprises a portion of end length 3A forming a groove having a first diameter indicated by D1 on the figure 1 , this portion 3A is intended to be inserted into the bottom of the female base 4. An O-ring seal 7 surrounds this portion 3A.
- the portion 3A is extended by a second portion of length 3B having a diameter D2 greater than the diameter D1, the two portions 3A, 3B being connected by a frustoconical intermediate portion 3C of low slope (increase in diameter). As will be described later, the slight slope of the portion 3C makes it possible to progressively deform the blocking member 5 radially outwardly of the base 4.
- the male end 3 still has in the immediate extension of the portion 3B, another frustoconical 3D intermediate portion (narrowing diameter) which precedes a third cylindrical portion (not referenced) having a diameter smaller than D2 and slightly larger than D1 .
- the slope of the 3D portion is faster than that of the portion 3C to make a kind of shoulder for the locking member 5 as described below.
- the female base 4 comprises an axial bore 4C having internal diameters D3, D4 complementary to the outer diameters D1, D2 of the male end 3.
- the bore of the base also comprises a frustoconical portion complementary to the portion 3C of the male endpiece which serves to center the male end in the female socket.
- the locking member 5 is here a spring which is in the form of a C-shaped rigid wire clip whose two free ends 8A, 8B are curved towards one another.
- This elastic deformation clip may be a round wire or flat metal. It is mounted in the coupling 2 by being passed laterally in a radial slot 9 formed in the locking sleeve 6 and then in two lateral cutouts 10A, 10B of the base 4 so that its curved free ends 8A, 8B surround the male sleeve 3 in the bore 4C.
- the free ends 8A, 8B of the staple 5 form two symmetrical Ss, the end ends 11A, 11B bent radially outwardly from the free ends 8A, 8B respectively disappearing in two corresponding radial interior recesses 12A, 12B of the sleeve 6 and the medial portions 13A, 13B of the free ends 8A, 8B encircling the male sleeve.
- the staple 5 is deformed radially outwardly of the base 4 around the length portion 3B of large diameter D2 and the locking sleeve 6 occupies a first axial position, indicated by the arrow P1 on the figure 1 , in which it leaves the locking member 5 free to deform radially outwardly of the base 4.
- the median portions 13A, 13B of the clip 5 define a circle of inner diameter substantially equal to D1 .
- the portion of length 3A surrounded by the seal 7 passes through the clip.
- the frustoconical portion 3C of the male end exerts on the staple a radial deformation stress which causes the ends 11A, 11B of the ends 8A, 8B to sink into the recesses 12A, 12B of the sleeve 6.
- the staple 5 surrounds the length portion 3B of diameter D2. In this deformed position, the staple 5 prevents axial displacement of the sleeve 6.
- the radial recesses 12A, 12B have a height in the axial direction which is slightly larger than the height of the staple (wire diameter for example) but which is less than the race of the sleeve in this axial direction.
- FIGS. 3 and 4 now represent the male end completely inserted in the female base 4.
- the frustoconical portion 3D diameter shrinkage of the male end is now facing the clip 5.
- the seal 7 is compressed in the bore 4C of the base.
- the free ends of the clip 8A, 8B are returned elastically to their return position (rest position) and are outside the recesses 10A, 10B.
- the clip In its return position, the clip exerts an axial force on the 3D frustoconical portion which tends to push the male end into the bottom of the bore of the female socket.
- the locking sleeve 6 has been moved axially (here towards the bottom of the base) from its initial position P1 to a second position P2 to axially offset the recesses 10A, 10B of the ends 11A, 11B of the ends 8A, 8B of the staple 5 which prevents a radial deformation of the clip 5 and thus locking the male end in the female socket.
- the connector according to the invention is shown on the Figures 7 and 8 , respectively with the male end separated from the base and with the male end inserted into the base.
- the locking sleeve 6 is in its position P1 for insertion of the male end into the female socket and on the figure 8 , the locking sleeve 6 is in its P2 locking position of the male end in the female socket.
- the locking sleeve 6 comprises a cylindrical trunk surmounted by a tab 14 extending axially.
- the free end 14A of the tab 14 protrudes relative to the female socket 4.
- This free end 14A of the tab 14 serves as a bearing surface for moving the sleeve 6 of the position P1 to position P2.
- the end 14A of the tab 14 is flush with the female socket 4, which is easily detectable visually and visually to check the locking of the male end in the female socket.
- the base 4 has a notch 15 in the form of a boss and the lug 14 of the locking sleeve 6 has a notch 17.
- the notch 15 In the position P1 of the locking sleeve, the notch 15 is in abutment against a face 16 of the notch 17 which blocks the displacement of the sleeve 6 in the axial direction A (towards the bottom of the base).
- the notch 15 In the position P2 of the locking sleeve, the notch 15 is in the notch 17 which blocks the displacement of the sleeve 6 in the axial direction A (towards the top of the base).
- the displacement of the locking sleeve 6 from the position P1 to the position P2 and vice versa requires exerting on the tab 14 a certain axial force.
- the dimensions of the notch 15 and the notch 17 are adjusted to correspond to the axial stroke of the sleeve between the two positions P1 and P2 which is substantially equivalent to the thickness of the clip 5 in the axial direction.
- the staple 5 To connect the male end 3 in the female base 4 of the connector 2 according to the invention, it is therefore elastically deform the clip 5 to pass a centering diameter D3 of the male end 3. In contact with this diameter D3, the staple 5 reaches a maximum bending position. In this position, the staple 5 interacts with the locking sleeve 6 by being received in the recesses 12A, 12B provided in the sleeve 6. The ends 11A, 11B of the staple 5 thus positioned act as an axial stop at the descent of the locking sleeve 6 which mechanically guarantees a lock only when the clip 5 has returned to the rest position when passing a smaller diameter of the nozzle 3 than the centering diameter. In this rest position, the staple 5 is closed behind a shoulder 3D of the male end 3 and the locking sleeve 6 can come to lock by an axial displacement.
- FIGS 9 to 12 illustrate an alternative embodiment of a connector 100 according to the invention with a connector 200 comprising a locking sleeve 6 with two tabs 101, 102 diametrically opposed and axially offset, the tab 101 being slightly longer than the tab 102.
- the male end 3 is separated from the connector 200 and the locking sleeve 6 occupies the first axial position P1.
- the two tabs are guided axially in two diametrically opposed slideways 103, 104 arranged in the outer wall of the female socket 4.
- the tabs 101, 102 have a free end 101A, 102A respectively, the free end 101A of the tab 101 being protruding with respect to the female socket 4, whereas the free end 102A of the tab 102 is flush with the female socket 4 at the end. level of the upper 4D surface of the female base 4.
- the lugs 101, 102 are locked in this position by two respective notches 105, 106 formed in the respective rails 103, 104 of the female base 4 cooperating with two respective slots 107, 108 in the form of slots in the lugs 101, 102, which blocks the displacement of the sleeve 6 in the axial direction A at position P1.
- the figure 10 represents the connector 100 according to the invention with the male end 3 fully inserted into the connector 2, the locking sleeve 6 occupying the second axial position P2.
- the free end 101A of the tab 101 is flush with now the female base 4 and the end 102A of the lug 102 of the sleeve 6 is recessed axially relative to the female base 4.
- the tabs 101, 102 are locked in this position by the notches 105, 106 which now cooperate respectively with on the one hand a notch 109 in the form of a slot arranged in the tab 101 above the notch 108, and on the other hand with the free end 102A of the lug 102, which blocks the displacement of the sleeve 6 in the axial direction A in position P2.
- the displacement of the locking sleeve 6 from the position P1 to the position P2 and vice versa requires exerting on the tab 101 a certain axial force.
- the difference in height between the ends 101A, 102A of the lugs 101, 102 of the sleeve 6 advantageously offers a flat bearing zone on the upper 4D surface of the female base 4, serving to place the coupling 200 on the male end 3.
- notch 105 and notches 108, 109 are adjusted to correspond to the axial stroke of the sleeve between the two positions P1 and P2. which is substantially equivalent to the thickness of the clip 5 in the axial direction.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
- Feeding And Controlling Fuel (AREA)
- Pipe Accessories (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL09731368T PL2274550T3 (pl) | 2008-04-07 | 2009-03-21 | Złącze łącznika do przewodów płynu ze sprężyną z metalowego drutu |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0801900A FR2929679B1 (fr) | 2008-04-07 | 2008-04-07 | Raccord de connecteur pour conduits de fluide avec un ressort en fil metallique |
PCT/EP2009/002093 WO2009124645A1 (fr) | 2008-04-07 | 2009-03-21 | Raccord de connecteur pour conduits de fluide avec un ressort en fil metallique |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2274550A1 EP2274550A1 (fr) | 2011-01-19 |
EP2274550B1 true EP2274550B1 (fr) | 2011-09-07 |
Family
ID=40225202
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP09731368A Active EP2274550B1 (fr) | 2008-04-07 | 2009-03-21 | Raccord de connecteur pour conduits de fluide avec un ressort en fil metallique |
Country Status (10)
Country | Link |
---|---|
US (1) | US8146956B2 (pt) |
EP (1) | EP2274550B1 (pt) |
CN (1) | CN101990612B (pt) |
AT (1) | ATE523726T1 (pt) |
BR (1) | BRPI0911037B1 (pt) |
ES (1) | ES2372569T3 (pt) |
FR (1) | FR2929679B1 (pt) |
HK (1) | HK1150877A1 (pt) |
PL (1) | PL2274550T3 (pt) |
WO (1) | WO2009124645A1 (pt) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102009028473A1 (de) * | 2009-08-12 | 2011-02-17 | Robert Bosch Gmbh | Steckverbindung |
US9273812B2 (en) | 2009-09-24 | 2016-03-01 | Perfection Clutch | Hydraulic line connector |
DE102010010522B4 (de) * | 2010-03-05 | 2012-10-25 | Voss Automotive Gmbh | Steckverbinder für Medienleitungen |
CN103180650B (zh) * | 2010-05-04 | 2016-05-11 | 诺玛美国控股有限责任公司 | 连接器组件 |
US8851526B2 (en) * | 2012-01-11 | 2014-10-07 | GM Global Technology Operations LLC | Cap for a quick connect fitting assembly and method of assembly using same |
DE102012005930A1 (de) * | 2012-03-26 | 2013-09-26 | Veritas Ag | Steckverbindungsanordnung |
FR2993630B1 (fr) * | 2012-07-23 | 2014-07-11 | Raymond A & Cie | Dispositif de raccordement fluidique avec une bague reductrice d'effort de montage |
GB2504537B (en) * | 2012-08-02 | 2015-08-05 | Alpha Fry Ltd | Connection device |
US9212754B2 (en) | 2013-03-12 | 2015-12-15 | A. Raymond Et Cie | Shape memory alloy valve |
ES2704073T3 (es) | 2014-05-30 | 2019-03-14 | Oetiker Ny Inc | Conector de fluido con tapa de seguridad de inserción completa con elementos de enclavamiento secundario |
US11092269B2 (en) | 2014-05-30 | 2021-08-17 | Oetiker Ny, Inc. | Fluid connector with full insertion assurance cap with secondary latches |
US9845908B2 (en) * | 2015-03-31 | 2017-12-19 | Ap Couplings, Inc. | Lightweight quick connector system |
FR3098566B1 (fr) * | 2019-07-12 | 2021-06-11 | Hutchinson | Dispositif de raccordement fluidique |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3540760A (en) * | 1969-03-24 | 1970-11-17 | Weatherhead Co | Quick connect coupling |
US3574359A (en) * | 1969-07-22 | 1971-04-13 | Gen Motors Corp | Fluid conduit coupling |
US3922011A (en) * | 1973-12-11 | 1975-11-25 | Tom Walters | Hose coupling |
SE459279B (sv) * | 1984-06-21 | 1989-06-19 | Volvo Ab | Kopplingsanordning vid tryckmediumledningar |
US4884829A (en) * | 1986-09-16 | 1989-12-05 | Johannes Schaefer Vorm. Stettiner Schraubenwerke Gmbh & Co. Kg | Plug-in connection for connecting tube and host lines in particular for use in tube-line systems of motor vehicles |
US5586792A (en) * | 1995-02-21 | 1996-12-24 | Bundy Corporation | Quick connector with integral release mechanism |
DE19515849B4 (de) * | 1995-04-29 | 2006-07-06 | Voss Automotive Gmbh | Steckkupplung für Druckmittel-Leitungen |
EP0743481B1 (en) * | 1995-05-17 | 2001-03-28 | Showa Aluminum Corporation | Pipe joint |
US5749606A (en) * | 1996-02-13 | 1998-05-12 | General Motors Corporation | Connector assembly with retainer |
US6450545B1 (en) * | 2001-02-21 | 2002-09-17 | Parker Hennifin Corporation | Fluid coupling plug |
DE10115399C1 (de) * | 2001-03-29 | 2002-06-06 | Raymond A & Cie | Lösbare Steckverbindung mit zusätzlichem Verriegelungselement |
DE20319558U1 (de) * | 2003-12-17 | 2005-04-28 | Voss Automotive Gmbh | Steckbarer und verrastbarer Leitungsverbinder |
DE102004044917A1 (de) * | 2004-09-14 | 2006-03-16 | Fte Automotive Gmbh | Lösbare Steckverbindung für Rohrleitungen od. dgl. |
US7469933B2 (en) * | 2005-03-11 | 2008-12-30 | The Gates Corporation | Quick connect coupling with disconnect lock |
DE102006002564A1 (de) * | 2006-01-05 | 2007-07-12 | Alfred Kärcher Gmbh & Co. Kg | Steckteil für Steckverbinderanordnung |
DE102006002565A1 (de) * | 2006-01-05 | 2007-07-12 | Alfred Kärcher Gmbh & Co. Kg | Kupplungsteil für Steckverbinderanordnung |
-
2008
- 2008-04-07 FR FR0801900A patent/FR2929679B1/fr not_active Expired - Fee Related
-
2009
- 2009-03-21 BR BRPI0911037-2A patent/BRPI0911037B1/pt active IP Right Grant
- 2009-03-21 AT AT09731368T patent/ATE523726T1/de not_active IP Right Cessation
- 2009-03-21 CN CN2009801123557A patent/CN101990612B/zh active Active
- 2009-03-21 WO PCT/EP2009/002093 patent/WO2009124645A1/fr active Application Filing
- 2009-03-21 ES ES09731368T patent/ES2372569T3/es active Active
- 2009-03-21 US US12/921,172 patent/US8146956B2/en active Active
- 2009-03-21 EP EP09731368A patent/EP2274550B1/fr active Active
- 2009-03-21 PL PL09731368T patent/PL2274550T3/pl unknown
-
2011
- 2011-05-09 HK HK11104590.3A patent/HK1150877A1/xx unknown
Also Published As
Publication number | Publication date |
---|---|
CN101990612A (zh) | 2011-03-23 |
BRPI0911037A2 (pt) | 2015-12-29 |
FR2929679B1 (fr) | 2010-04-23 |
ATE523726T1 (de) | 2011-09-15 |
FR2929679A1 (fr) | 2009-10-09 |
BRPI0911037B1 (pt) | 2019-10-08 |
US8146956B2 (en) | 2012-04-03 |
ES2372569T3 (es) | 2012-01-23 |
PL2274550T3 (pl) | 2012-02-29 |
HK1150877A1 (en) | 2012-01-13 |
CN101990612B (zh) | 2012-09-19 |
US20110031743A1 (en) | 2011-02-10 |
WO2009124645A1 (fr) | 2009-10-15 |
EP2274550A1 (fr) | 2011-01-19 |
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